21427686

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{56687}}^1$

素因数の和:56705

約数の個数: 32

約数和(自身を含む): 54420480

約数和(自身を除く): 32992794

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 56687, 113374, 170061, 340122, 396809, 510183, 793618, 1020366, 1190427, 1530549, 2380854, 3061098, 3571281, 7142562, 10713843, 21427686]

約数ペア:

[(1, 21427686), (2, 10713843), (3, 7142562), (6, 3571281), (7, 3061098), (9, 2380854), (14, 1530549), (18, 1190427), (21, 1020366), (27, 793618), (42, 510183), (54, 396809), (63, 340122), (126, 170061), (189, 113374), (378, 56687)]